[Snyk] Upgrade com.itextpdf:bouncy-castle-adapter from 9.1.0 to 9.3.0

[marcoandries]

Snyk has created this PR to upgrade com.itextpdf:bouncy-castle-adapter from 9.1.0 to 9.3.0.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 2 versions ahead of your current version.

• The recommended version was released a month ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGBOUNCYCASTLE-11789688	529	No Known Exploit
	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGBOUNCYCASTLE-11789695	529	No Known Exploit

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• This PR was automatically created by Snyk using the credentials of a real user.
• Max score is 1000. Note that the real score may have changed since the PR was raised.

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